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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2014-05-06 16:25:05 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2014-05-06 16:25:05 +0000 |
| commit | 807e902eea17f3132488c256c963823976b2348c (patch) | |
| tree | e5e1af94eb1502ba893bd6ce4a11f68877ff62a9 /gcc/cselib.c | |
| parent | 6122336c832dc4dfedc49279549caddce86306ff (diff) | |
| download | gcc-807e902eea17f3132488c256c963823976b2348c.zip gcc-807e902eea17f3132488c256c963823976b2348c.tar.gz gcc-807e902eea17f3132488c256c963823976b2348c.tar.bz2 | |
Merge in wide-int.
From-SVN: r210113
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index 6bdc482..00a04ba 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -942,8 +942,7 @@ rtx_equal_for_cselib_1 (rtx x, rtx y, enum machine_mode memmode) /* These won't be handled correctly by the code below. */ switch (GET_CODE (x)) { - case CONST_DOUBLE: - case CONST_FIXED: + CASE_CONST_UNIQUE: case DEBUG_EXPR: return 0; @@ -1125,15 +1124,20 @@ cselib_hash_rtx (rtx x, int create, enum machine_mode memmode) hash += ((unsigned) CONST_INT << 7) + UINTVAL (x); return hash ? hash : (unsigned int) CONST_INT; + case CONST_WIDE_INT: + for (i = 0; i < CONST_WIDE_INT_NUNITS (x); i++) + hash += CONST_WIDE_INT_ELT (x, i); + return hash; + case CONST_DOUBLE: /* This is like the general case, except that it only counts the integers representing the constant. */ hash += (unsigned) code + (unsigned) GET_MODE (x); - if (GET_MODE (x) != VOIDmode) - hash += real_hash (CONST_DOUBLE_REAL_VALUE (x)); - else + if (TARGET_SUPPORTS_WIDE_INT == 0 && GET_MODE (x) == VOIDmode) hash += ((unsigned) CONST_DOUBLE_LOW (x) + (unsigned) CONST_DOUBLE_HIGH (x)); + else + hash += real_hash (CONST_DOUBLE_REAL_VALUE (x)); return hash ? hash : (unsigned int) CONST_DOUBLE; case CONST_FIXED: |